Ground fault circuit interrupter



FIG. 1 is a perspective view of a ground fault circuit interrupter showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof; and,

FIG. 4 is a left side view thereof.

The broken lines are environmental and form no part of the claimed design. 

The ornamental design for a ground fault circuit interrupter, as shown and described. 